Where does “Tatjana” come from?

Tatjana (German) comes from Russian Татья́на, from Latin Tatiana, from Latin Tatianus, from Latin Tatius — Titus Tatius, mythological king of the Sabini, later on the joint ruler with Romulus in young Rome.

Ancestry of “Tatjana”, step by step

Step	Language	Word	Meaning
1	Russian	Татья́на	Tatiana
2	Latin	Tatiana	—
3	Latin	Tatianus	—
4	Latin	Tatius	Titus Tatius, mythological king of the Sabini, later on the joint ruler with Romulus in young Rome

Every word from Latin Tatius →Every word from Latin Tatianus →Every word from Latin Tatiana →